For the following questions answer them individually
A mason can build a wall in 70 hours. After 7 hours he takes a break. What fraction of the wall is yet to be built?
To cover a distance of 216 km in 3.2 hours, what should be the average speed of the car in meters/second?
On a certain principal if the simple interest for two years is Rs 1400 and compound interest for the two years is Rs 1449, what is the rate of Interest?
In an army selection process, the ratio of selected to unselected was 3:1. If 80 less had applied and 40 less selected, the ratio of selected to unselected would have been 4:1. How many candidates had applied for the process?
If 4(2x+3)>5-x and 5x -Â3(2xÂ-7)>3x-Â1, then x can take which of the following values?
Two students appeared for an examination. One of them secured 9 marks more than the other and his marks were 56% of the sum of their marks. The marks obtained by them are
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